1. MOBILE BILL ANALYSIS

2. AGENDA
 Introduction
 Overview of Analysis
 Descriptive Analysis
 Current Plan Review
 Recommended Plan
 Demographic Analysis

3. INTRODUCTION
•
•
Study on service quality and its impact on customer satisfaction in the
telecom sector with respect to mobile service provider.
A customized bill is used for analysis with the following details.
Bill Plan - Vodafone-299
Category
Calls
Messages
GPRS (KB)
•
•
•
Frequency
168
236
2.083 GB
Tool Used : MS Excel
Preprocessing :
Formatting of phone numbers in standard format
Segregation of bill into calls, message and GPRS usage.
Separated date/time cell into two different columns.
Problems Encountered:
Number of message sent is not matching with summarized bill.
Actual GPRS usage is mismatched with billed usage.
 STD call details are not mentioned.

4. OVERVIEW OF ANALYSIS
•
Whom do you spend calling?
•
Usage-wise bill breakup?

5. OVERVIEW OF ANALYSIS
•
Which service provider do you call the most?

6. DESCRIPTIVE ANALYSIS
•
Peak time v/s Off peak time
 Peak time: 7am to 7pm, Monday to Friday.
 Off-Peak time: 7pm to 7am Monday to Friday. Weekends and evenings are 7pm Friday to
7am Monday, including national public holidays but excluding regional anniversary days.

7. DESCRIPTIVE ANALYSIS CONT…
•
Data Usage

8. DESCRIPTIVE ANALYSIS CONT…
•
SMS Usage
Total sms sent is 236, out of which maximum
number of messages are sent on airtel service
provider.
SMS is sent to 23 numbers, out of
which 12 numbers are vodafone
service provider

9. DESCRIPTIVE ANALYSIS CONT…
Called Numbers:
Total called minutes: 240, Local call: 235(including night speak), STD: 5mins

10. DESCRIPTIVE ANALYSIS CONT…
Cost of calls and data usage:
Call Details
Min
Vodafone
102
54
73
6
5
236
2.08
Ot her s Mobile
Landline
Toll Fr ee
STD
SMS
Dat a usage
Rates Billing
0.3
0.3
0.3
0
0.5
1
30.6
16.2
21.9
0
2.5
236
The phone is mostly used to call local numbers. No roaming
or international charges occurred.

11. Current Plan Details
Monthly Rental
299
Calls to local mobiles
0.3
Vodafone to vodafone calls
0.3
To other phones
0.3
Roaming incoming call rate
NA
Roaming outgoing call rate
NA
STD to vodafone mobile
0.5
STD to other mobile
0.5
STD to other phones
0.5
National SMS
1.5
International SMS
5
Data Plan
Monthly Rental
499
Free Usage
2GB, 3G data
SMS Pack
100SMS for Rs.50
Total Rental
Rs. 848

12. Recommended Plan
Monthly Rental
Calls to local mobiles
Reliance to reliance
To other phones
Roaming incoming call rate
Roaming outgoing call rate
STD to vodafone mobile
STD to other mobile
STD to other phones
Free SMS-local/std
International SMS
Data Plan
Monthly Rental
Free Usage
Additional Data (optional)
Total Rental
Plus 2gb 3G data
321
0.3
0.3
0.3
NA
NA
0.5
0.5
0.5
500
5
Nil
1GB, 3G data
2GB for Rs.235
Rs. 321
Rs. 556
Note: 3G services in West Bengal is provided only by Vodafone, Aircel and Reliance

13. Demographic Analysis
Points to be noted:
• Short call duration
• Call mostly during lunch hours & evenings.
• Data usage mostly in weekends
•Gender : As per studies on “How long will she call me” conducted by Beijing
university of posts & telecommunications on distribution, social theory &
duration prediction, it was revealed that for short call durations most of the
users are female.(sample size of 2.72 lakh users, 3.92 million call records)
•Approximate Age : 25-30 years as the average call duration is 102
seconds(240/168). Study has revealed that average call duration for users
between 25-30 years is 105 seconds. Also the data usage is more on weekdays.
•Occupation : Working professional
•Kind of Phone : Smartphone/Multimedia(3G enabled)

14. THANK YOU